AC Replacement
Swap a worn-out air conditioner for a correctly sized SEER2 system, with duct testing and permit work handled in one job.
Learn morePasadena neighborhood
AC replacement and ductwork for two-story homes in Madison Heights, Pasadena 91106
Madison Heights sits in south-central Pasadena on flat, tree-shaded streets a short drive from our Old Pasadena office.
Madison Heights at a glance
- ZIP
- 91106
- City
- Pasadena, CA
- County
- Los Angeles County
- Served from
- Old Pasadena office
- Phone
- (626) 879-0711
- Hours
- Open 24/7
Quick answer
Madison Heights has larger early 1900s homes, many of them two stories, that were never built for central air. Upstairs rooms run hot while downstairs stays cool. Marco's replaces aging AC systems, rebuilds tired attic ducts and adds zoning so each floor gets the air it needs. Call (626) 879-0711 any hour for a technician who measures the house before recommending equipment.
Overview
Heating and cooling help in Madison Heights
Madison Heights sits in south-central Pasadena on flat, tree-shaded streets a short drive from our Old Pasadena office. The neighborhood is known for its historic homes, in Craftsman, Colonial Revival and Mediterranean styles, many on generous lots under mature trees. Compared with the small bungalows farther north, the houses here are bigger and more often two stories. That changes the heating and cooling picture. The usual complaint is not that the house has no air, but that the air goes to the wrong places.
Many homes here have central systems that were added decades after the house was built, and some of that equipment and ductwork is now wearing out together. When an old AC or furnace fails, it is the right moment to look at the whole air path, from the return grille to the last upstairs register. Replacing the condenser alone rarely fixes a hot second floor. We start with measurements and a duct inspection, then talk about equipment.
Larger historic homes and the two-story problem
Heat rises, and in a two-story Madison Heights house with plaster walls and a lightly insulated attic, the upstairs bedrooms can sit several degrees warmer than the first floor on a 98 F afternoon. Many of these homes have a single system with one thermostat downstairs. That thermostat is satisfied long before the second floor cools, so the system shuts off while upstairs rooms are still hot. Return air is often limited to one central grille, which starves the system of airflow and makes the problem worse.
Ducts were usually run through the attic and down through closets or old chases. Over time, joints separate and insulation sags. Some homes have a basement or crawlspace furnace serving the first floor, paired with an attic unit for the second, which works well when both are sized and balanced properly. Where there is only one system, a second return and a balancing check often help more than bigger equipment.
Common problems
Common heating and cooling problems in Madison Heights
Hot second-floor bedrooms
One thermostat downstairs, limited returns and long attic runs leave upper rooms warm late into the night. Zoning, an added return or a separate upstairs system usually fixes it.
Aging central AC systems
Older condensers lose efficiency, develop refrigerant leaks and struggle through long heat waves. Repairs cost more each summer, and refrigerant for older units keeps getting more expensive.
Leaky attic duct joints
Duct sections pull apart where they meet the plenum or a register boot. Cooled air dumps into the attic, raising the bill and leaving rooms underserved.
Undersized return air
A single small return grille cannot feed a system sized for a large house. The blower strains, the coil can freeze and airflow drops at every register.
Tree debris on condensers
Mature trees drop leaves, seed pods and twigs into outdoor units. Clogged fins raise operating pressure and can shorten the life of the compressor. We rinse them on every visit.
Most requested
Why these services matter in Madison Heights
AC replacement and furnace replacement are common because many systems here are aging together. Duct replacement often belongs in the same project, since new equipment pushed through old, leaky ducts will not perform as rated. Zoning systems and smart thermostats let a two-story house cool upstairs without freezing the downstairs. Attic insulation keeps the second floor from soaking up heat all afternoon. Together, these changes turn a house that fights its own system into one that holds an even temperature from floor to floor.
Ductwork Replacement
New attic ductwork sized for your rooms and equipment, sealed with mastic and leak tested before we call the job done.
Learn moreHVAC Zoning Systems
Motorized dampers and a zone panel so upstairs bedrooms, downstairs rooms and additions each get their own thermostat.
Learn moreSmart Thermostat Installation
Smart thermostats installed with a proper C-wire and the right heat pump or two-stage settings, tested in every mode.
Learn moreAttic Insulation
Air sealing first, then blown-in insulation to the right depth, so your ceilings stop radiating attic heat into the rooms.
Learn moreFurnace Replacement
An old furnace swapped for a right-sized new one in the same attic, closet or garage, with venting, ducts and permit handled.
Learn morePlanning a project in Madison Heights
Madison Heights homes are on Pasadena Water and Power for electricity and SoCalGas for gas. If you are replacing both the AC and the furnace, it is worth comparing a heat pump, so ask about current PWP or SoCalGas rebates and state heat pump incentives when funding is open. Title 24 rules can require duct leakage testing when equipment is replaced, and older attic ducts often need sealing to pass. We handle the permit where the city requires one and schedule the inspection.
Large trees on many lots shade the house but drop debris into outdoor units, so we check coil condition on every visit. Replacements are easier to schedule in spring and fall, before the hottest weeks. If your system still runs but struggles, a visit then gives you time to plan instead of replacing in a rush. We also look at the electrical panel early, since a larger system or heat pump can need a new circuit.
Nearby areas we also cover
Questions
Madison Heights heating and cooling questions
Usually a mix of three things: heat rising through the house, one thermostat placed on the first floor, and attic ducts that leak or are too small for the upstairs rooms. In many Madison Heights homes, return air is limited too. We measure temperature and airflow room by room, then recommend fixes such as zoning, an added return, duct work or a separate upstairs system.
Not always, but often. If the ducts are decades old, poorly sealed or sized for a smaller system, new equipment will not deliver what it should. We inspect and test the existing ducts before quoting. If they are in good shape we seal them, and if not, we quote duct replacement alongside the new AC so you can compare both paths.
Yes, in many cases. Zoning uses motorized dampers in the ductwork and a thermostat on each floor, so the system sends air where it is needed. It works best when the duct layout splits cleanly between floors. Where it does not, a second small system or a ductless head upstairs can be the better choice, and we explain why before you decide.
For a central AC replacement on a larger Madison Heights home, most projects fall roughly between $7,840 and $14,690, depending on size, efficiency, duct work and electrical needs. Those are typical ranges, and the final price comes after the technician sees the system. We quote the price before we start the work, so there are no surprises on the invoice.
Heating or cooling trouble in Madison Heights?
Call our Pasadena line any hour. A person answers, asks a few questions about the system, and gives you an arrival window.
(626) 879-0711Answering 24 hours, 7 days